Castle

Castle - Season 3 Finale - "Knockout" - Guide & Promotional Photos

Check out the promotional photos and some spoilers for season 3 finale of Castle, titled "Knockout"! Finale (season 3 episode 24) airs on Monday, May 16. Castle has been renewed for season 4.

Kate Beckett's investigation into her mother's death is reactivated when Hal Lockwood (guest star Max Martini, "The Unit") - a professional hitman with knowledge of Beckett's mother's murder - stages a spectacular escape during a court hearing. A

s police launch a manhunt for Lockwood, Castle and the team uncover evidence of a deeper conspiracy involving a mysterious figure with law enforcement connections who is linked to both Lockwood's escape and the killing of Johanna Beckett.

The search for Lockwood and the quest to identify his co-conspirator leads to a shocking and deadly conclusion.

If you're anything like us, you're constantly bugging your TV-watching buddies to tell you "what happens next". But let's face it, they probably don't know either. Here at Spoilers Guide, we're all about blogging spoilers and know-how for the most popular series on TV. We aim to familiarize fans with upcoming story arcs and exclusive info before it even hits your small screen.